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Accessing MPLS network via VPN

Posted on 2013-11-21
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Last Modified: 2014-01-08
Hi -

I'm using a Cisco ASA 5510 8.4(5) ASDM 7.1(1)52.

I currently have a remote access VPN setup (IPSEC) and I'm trying to find out how to be able to access my other sites via my MPLS network while connected via VPN.

I'm able to access the primary site with no issues.
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Question by:emeka57
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4 Comments
 
LVL 26

Expert Comment

by:Fred Marshall
ID: 39667334
See:
http://www.experts-exchange.com/Hardware/Networking_Hardware/Routers/Q_22821183.html

Using this notation:
A is the main site/subnet
B is the MPLS remote site/subnet
C is the remote VPN site/subnet

What you need is this:
Packets from C destined for B via A first by VPN then by MPLS.
These packets must somehow get into the VPN in the first place.
These packets must appear at A and be routed to the MPLS device.
If the VPN and the MPLS devices are the same then this may help.
I've never been able to get it to work with RV042 site-to-site VPNs.

Example:
Main site with an important VPN link to a 3rd party using a 3rd party ASA as VPN device.
Reach the 3rd party from a remote site via another VPN on another VPN device.

I'd like to see a clear answer for How To? if it's possible.
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Author Comment

by:emeka57
ID: 39708826
I'm not sure how to accomplish that via ASDM.
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Author Comment

by:emeka57
ID: 39723813
Anyone know how to address this?
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LVL 26

Accepted Solution

by:
Fred Marshall earned 1500 total points
ID: 39724614
At least some encouragement:
http://www.experts-exchange.com/Hardware/Networking_Hardware/Routers/Q_22821183.html

B<>MPLS<>A<>VPN<>C

In many ways the MPLS is simpler than the VPN in that encryption need not be implemented.  Or, one may desire to run VPN over MPLS for security purposes.  In the latter case it would be:

B <> VPN(MPLS) <> A <> VPN(Internet) <> C

The key appears to be routing at A.
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